h2{
    color: #5cb84f;
}
 #nickname{
     border: 1px solid #f2f2f2;
     padding: 0.5em 1em;
     color: #f2f2f2;
     font-weight: bold;
     font-size: 28px;
 }
 .btn-area{
     display: flex;
     flex-direction: column;
     align-items: center;
 }
 .btn-area .btn{
     text-align: center;
     margin: 0.5em 0;
     width: 7em;
 }
 .btn-xs{
     display: inline-block !important;
 }